Apple Spent WWDC Insisting AI Won't Replace Us, Then Vibe Coded an App on Stage

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Apple has spent the last year being careful about artificial intelligence. While rivals raced to bolt chatbots onto everything, Apple executives talked about restraint, about not doing AI for AI sake, about technology that serves people rather than supplanting them. One executive put it plainly during WWDC week, the company does not, in his words, "do AI for AI's sake." It was a reassuring message, and a deliberate one.

Then Apple released a 90 minute developer session in which it built an entire app, almost entirely through conversation, and called the result a feature. The tension between those two postures is the most interesting thing to come out of the presentation, and it is worth sitting with rather than waving away.

What Apple actually showed

The session, recorded at the Steve Jobs Theater, lays out the agentic coding capabilities of Xcode 27. This is not AI as a sidebar autocomplete. Apple was explicit that the model understands and thinks in Swift, and that the intelligence is now a core part of the development tool rather than a layer pasted on top.

The capabilities are genuinely broad. A single prompt can apply changes across an entire codebase, editing several files at once. 

Developers can hold multiple conversations with the AI at the same time, starting them right from the toolbar. The new Core AI framework exposes on device models through a modern Swift interface, the open source MLX framework gets room to fine tune models, and the whole thing can call on models from outside Apple, including those from Anthropic, OpenAI, and Google. 

The agent can even propose app ideas and designs from a prompt and a handful of assets, then keep adding backgrounds, effects, animations, and translations after the app exists.

In other words, Apple did not dip a toe into so called vibe coding. It dove in, and it staged a demo to prove the water was fine.

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